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CVE-2026-43246: media: i2c/tw9906: Fix potential memory leak in tw9906_probe()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-06 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: media: i2c/tw9906: Fix potential memory leak in tw9906_probe() In one of the error paths in tw9906_probe(), the memory allocated in v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() is not freed. Fix that by calling v4l2_ctrl_handler_free() on the handler in that error path.

Affected products

• Linux kernel: from 3.10 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.16 — fixed in 5.10.252, 5.15.202, 6.1.165, 6.12.75, 6.18.16, 6.19.6

How to fix

Upgrade to a fixed version: Linux kernel 5.10.252, 5.15.202, 6.1.165, 6.12.75. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0c33338514d8246280533a77091e6b6ee548c606
• https://git.kernel.org/stable/c/377a7756914364d72550fc86ca0f404ef1d96141
• https://git.kernel.org/stable/c/59420d5d9c46b084e21f9ea6ce79fc79ae9e414c
• https://git.kernel.org/stable/c/9548a8bbf511a252a9848f96220c6b95c9a3b918
• https://git.kernel.org/stable/c/cad237b6c875fbee5d353a2b289e98d240d17ec8
• https://git.kernel.org/stable/c/ccb92def042a3636ed47f25a30bd553788e5191e
• https://git.kernel.org/stable/c/e9a490937942f18205dac7b6b192975ef1369ae1
• https://git.kernel.org/stable/c/fb09d8b80046216646f1a344410cfa9cfa6c6c7c

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